Have you ever struggled to take a picture of a gel? Probably not if you dropped a couple k on a gel documentation system. But for those of us who to take photos of gels and keep our money, you might look like this (above).
In this photo, I am trying to hold my gel illumination (a couple of LEDS) in one hand, and hold my amber filter, focus, and take a picture with my other hand. In low light, my phone camera can’t focus either! Thankfully, my camera can take voice commands, so I did manage to take a picture. I have a Samsung galaxy note II, (at the time of writing, this is a recently released, top of the line phone) which has a fixed aperture and TINY sensor.
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When I was in college, we used a flat plate with UV lights underneath it (a transilluminator) and a camera with a Polaroid back on a copy stand. It seems to me that a sheet of glass with LEDs underneath it and a cheap tripod would make this much easier…